In a message dated 8/16/2006 12:55:21 P.M. Central Daylight Time,
stefan_trethan@... writes:
those cnc machines use like 30 or 50kRPM.<<
What is the "make", "Excellon" or whatever? Those have 4 quills which are
air-motors, which spin routinely at 100,000 RPM, and on up to 300,000 for many
"tiny" holes! Visiting a kind and patient PCB house is an education!
[Non-text portions of this message have been removed]